The Screw,cap,socket Head, cataloged under National Stock Number 5305-00-273-5001, is classified within Federal Supply Class 5305 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 23 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 5305-00-273-5001 |
| Primary Part Number | 298235PC255 |
| Item Name | Screw,cap,socket Head |
| FSC / FSG | 5305 / 53 — No Item Name Available |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | CANCELLED |
| Thread Direction | RIGHT-HAND |
| Thread Series Designator | UNIFIED NATIONAL COARSE (UNC) |
| Hole Type | DRILLED |
| Hardness Rating | 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL |
| Thread Class | 3A A |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Nondefinitive Spec/std Data | 6 TYPE |
| Minimum Yield Strength | 150000 POUNDS PER SQUARE INCH LBS |
| Hole Configuration Style | ROUND INTERNAL HEXAGON |
| Minimum Tensile Strength | 170000 POUNDS PER SQUARE INCH LBS |
| Internal Drive Style | HEXAGON |
| Thread Quantity Per Inch | 20 |
| Head Height | 0.244 INCHES MINIMUM AND 0.250 INCHES MAXIMUM IN |
| Hole Quantity | 6 |
| Material | STEEL OVERALL |
| Hole Diameter | 0.044 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Width Across Flats | 0.1875 INCHES MINIMUM AND 0.1900 INCHES MAXIMUM IN |
| Head Diameter | 0.365 INCHES MINIMUM AND 0.375 INCHES MAXIMUM IN |
| Fastener Length | 0.845 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Thread Length | 0.745 INCHES MINIMUM AND 0.875 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416 TY 2 CL 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Nominal Thread Diameter | 0.250 INCHES IN |
| Head Style | FLAT CHAMFER |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 298235PC255 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| FF-S-86 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| MS24677-36 | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| 429679PC17 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| MS24677-36 PRIMARY | National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use (USA) |
| 43S4374-2770 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 429910PC9 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| MS24677-36C | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| F291 | Tld Ace Corp Div Tld Ace (USA) |
| 5305002735001 | E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
| 8960 PRIMARY | Triumph Engine Control Systems Llc (USA) |
| 12Z1196-35 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
| 5484-1614 | Kidde-Fenwal, Llc (USA) |
| 224707PC13 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5305-00-273-5001 is a Screw,cap,socket Head, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5305 (No Item Name Available). Status: cancelled.
NSN 5305-00-273-5001 has 14 cross-referenced part numbers: 298235PC255 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), FF-S-86 (Federal Specifications Promulgated by General Services Administration Washington DC), MS24677-36 (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), 429679PC17 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier), MS24677-36 (National Aerospace Standards Committee Aerospace Industries Association of America Inc Not for Rfq or Solicitation Use) and 9 more.
There are 5 known substitutes for 5305-00-273-5001: 6240-00-057-2887, 5950-01-011-5348, 1730-01-136-0842 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 298235PC255: Thread Direction: RIGHT-HAND; Thread Series Designator: UNIFIED NATIONAL COARSE (UNC); Hole Type: DRILLED; Hardness Rating: 38.0 ROCKWELL C MINIMUM AND 45.0 ROCKWELL C MAXIMUM OVERALL. 23 total characteristics are documented in the Federal Logistics Information System.
NSN 5305-00-273-5001 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.